CN115746764A - Nano magnetic sealant and preparation method and use method thereof - Google Patents
Nano magnetic sealant and preparation method and use method thereof Download PDFInfo
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- CN115746764A CN115746764A CN202211395526.5A CN202211395526A CN115746764A CN 115746764 A CN115746764 A CN 115746764A CN 202211395526 A CN202211395526 A CN 202211395526A CN 115746764 A CN115746764 A CN 115746764A
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- 239000000565 sealant Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- -1 phenolic amide Chemical class 0.000 claims abstract description 32
- 239000007822 coupling agent Substances 0.000 claims abstract description 20
- 239000003822 epoxy resin Substances 0.000 claims abstract description 19
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 19
- 239000000696 magnetic material Substances 0.000 claims abstract description 13
- 239000002318 adhesion promoter Substances 0.000 claims abstract description 11
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 8
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 8
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 4
- 239000002086 nanomaterial Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 7
- 150000002910 rare earth metals Chemical class 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 239000004952 Polyamide Substances 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 239000002250 absorbent Substances 0.000 claims description 4
- 230000002745 absorbent Effects 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 4
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 claims description 4
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 3
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910001954 samarium oxide Inorganic materials 0.000 claims description 3
- 229940075630 samarium oxide Drugs 0.000 claims description 3
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 claims description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 2
- 102000004190 Enzymes Human genes 0.000 claims description 2
- 108090000790 Enzymes Proteins 0.000 claims description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 2
- 229940123973 Oxygen scavenger Drugs 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 150000001298 alcohols Chemical class 0.000 claims description 2
- 150000004645 aluminates Chemical class 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 239000002738 chelating agent Substances 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 2
- 229910003440 dysprosium oxide Inorganic materials 0.000 claims description 2
- NLQFUUYNQFMIJW-UHFFFAOYSA-N dysprosium(iii) oxide Chemical compound O=[Dy]O[Dy]=O NLQFUUYNQFMIJW-UHFFFAOYSA-N 0.000 claims description 2
- 235000019441 ethanol Nutrition 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 229910001938 gadolinium oxide Inorganic materials 0.000 claims description 2
- 229940075613 gadolinium oxide Drugs 0.000 claims description 2
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 claims description 2
- 229910021645 metal ion Inorganic materials 0.000 claims description 2
- 239000002480 mineral oil Substances 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 2
- 150000003254 radicals Chemical class 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000005389 magnetism Effects 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses a nano magnetic sealant and a preparation method and a use method thereof, and the key points of the technical scheme are as follows: the nano magnetic sealant comprises a component A and a component B: the component A comprises the following components in parts by weight: 10 to 60 parts of epoxy resin, 0.1 to 1.5 parts of defoaming agent, 1 to 10 parts of coupling agent and 10 to 60 parts of magnetic material powder; 1-10 parts of an antioxidant; the component B comprises the following components in parts by weight: 20-100 parts of phenolic amide and 1-5 parts of adhesion promoter; the nano magnetic sealant is safe and environment-friendly, strong in cohesiveness, strong and controllable in magnetism and good in corrosion resistance, and has the advantages of sealant and magnet.
Description
Technical Field
The invention relates to the field of sealants, in particular to a nano magnetic sealant, and a preparation method and a use method thereof.
Background
At present, magnetic materials are rapidly developed, and particularly rare earth magnetic materials represented by neodymium iron boron and samarium cobalt magnetic materials are used. The application of the magnetic material has penetrated into various fields of national defense, industry, information and the like, and has generated great influence on our lives. However, most of the magnetic materials are hard and brittle materials, which are easily damaged and have notches, and a strong adhesive with magnetism is needed. The nano magnetic sealant is a special sealant product which is mainly composed of epoxy resin and a magnetic nano material, has strong adhesive force, strong magnetic force and convenient construction, and has good corrosion resistance protection on the surface of a magnet. It is suitable for automobile, electronic and electric equipment, special magnetic equipment, etc.
The traditional method needs to use adhesive to bond the magnetic material on the structural member, so that the construction is troublesome, the reliability is poor, and the magnetic material is easy to corrode due to no protection, so that the improvement is needed.
Disclosure of Invention
Aiming at the problems mentioned in the background technology, the invention aims to provide a nano magnetic sealant, a preparation method and a use method thereof, so as to solve the problems mentioned in the background technology.
The technical purpose of the invention is realized by the following technical scheme:
a nano magnetic sealant comprises a component A and a component B:
the component A comprises the following components in parts by weight:
the component B comprises the following components in parts by weight:
20 to 100 portions of phenolic aldehyde amide
1-5 parts of adhesion promoter.
Preferably, the epoxy resin is one or more of E51 type epoxy resin, E44 type epoxy resin and F48 type epoxy resin.
Preferably, the magnetic nano material is one or more of nano ferroferric oxide, nano samarium oxide, nano cobalt oxide, nano neodymium oxide, nano gadolinium oxide and nano dysprosium oxide.
Preferably, the phenolic amide is one or more of phenolic amine, polyamide and phenolic amide.
Preferably, the defoaming agent is one or more of alcohols, fatty acids, fatty acid esters, phosphate esters, mineral oils, amides, polydimethylsiloxane monomers and copolymers; the coupling agent is one or more of silane coupling agent, titanate coupling agent, zirconate coupling agent, aluminate coupling agent, bimetallic coupling agent, rare earth coupling agent, phosphorus-containing coupling agent and boron-containing coupling agent; the antioxidant is one or more of free radical absorbent, metal ion chelating agent, oxygen scavenger, singlet oxygen quencher, hydroperoxide decomposer, ultraviolet absorbent and enzyme antioxidant; the adhesion promoter is one or more of titanate aminopropyl silane compound and phosphate compound.
The invention also discloses a preparation method of the nano magnetic sealant, which comprises the following steps:
step1, preparation of a component A: and sequentially adding the epoxy resin, the defoaming agent and the coupling agent into the reaction kettle, and uniformly mixing by using high-shear equipment. Slowly adding magnetic material powder and an antioxidant, stirring at a slow speed, keeping the temperature in the reaction kettle not to exceed 50 ℃, and stirring the product for half an hour and then carrying out vacuum defoaming to obtain a component A;
preparing Step2 and B components: adding phenolic aldehyde amide and an adhesion promoter into a reaction kettle, stirring at a low speed, and carrying out vacuum defoaming on the product after stirring for half an hour to obtain a component B;
step3, packaging: and respectively packaging the component A and the component B to obtain the nano magnetic sealant.
The invention also discloses a use method of the nano magnetic sealant, which specifically comprises the following steps: the component A and the component B are mixed and used according to the weight ratio of 2:1.
In summary, the invention mainly has the following beneficial effects:
1. the invention develops a magnetic and adhesive integrated product, wherein adhesive is arranged in the adhesive, and the adhesive is provided with a magnet. Can solve the repair and filling of various magnetic materials, and the sealing and filling of the magnetic materials and the external frame structure thereof
2. Safety and environmental protection: the invention has 100 percent of solid content, no solvent volatilization, convenient transportation and storage, no harm to human body and no environmental pollution.
3. The adhesive property is strong: the phenolic amide curing agent has the characteristics of quick curing of phenolic aldehyde amine, good flexibility of polyamide and strong adhesive force.
4. Strong and controllable magnetism: the magnet performance of the completely cured magnetic glue is controlled by the proportion of the rare earth magnetic nano material and the binding material.
5. The corrosion resistance is good: the rare earth magnetic nano material is uniformly dispersed in the colloid, and the magnetic nano material can effectively isolate the corrosion of water vapor.
6. The product has the advantages of both the sealing glue and the magnet, and is a novel composite material.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A preparation method of a nano magnetic sealant comprises the following steps:
step1, preparation of a component A: and sequentially adding the epoxy resin, the defoaming agent and the coupling agent into the reaction kettle, and uniformly mixing by using high-shear equipment. Slowly adding magnetic material powder and an antioxidant, stirring at a slow speed, keeping the temperature in the reaction kettle not to exceed 50 ℃, and stirring the product for half an hour and then carrying out vacuum defoaming to obtain a component A;
preparing Step2 and B components: adding phenolic aldehyde amide and an adhesion promoter into a reaction kettle, stirring at a low speed, and carrying out vacuum defoaming on the product after stirring for half an hour to obtain a component B;
step3, packaging: and respectively packaging the component A and the component B to obtain the nano magnetic sealant.
The embodiment also discloses a use method of the nano magnetic sealant, which specifically comprises the following steps: the component A and the component B are mixed and used according to the weight ratio of 2:1.
Example 2
A nano magnetic sealant comprises a component A and a component B:
the component A comprises the following components in parts by weight:
the component B comprises the following components in parts by weight:
20 portions of phenolic aldehyde amide
5 parts of adhesion promoter.
Wherein the epoxy resin is E51 type epoxy resin.
Wherein the magnetic nano material is nano ferroferric oxide.
Wherein the phenolic aldehyde amide is phenolic aldehyde amine.
The embodiment has the following advantages: safety and environmental protection: the invention has 100 percent of solid content, no solvent volatilization, convenient transportation and storage, no harm to human body and no environmental pollution; the adhesive property is strong: the phenolic aldehyde amide curing agent is adopted, so that the phenolic aldehyde amide curing agent has the characteristics of quick curing of phenolic aldehyde amine, good flexibility of polyamide and strong adhesive force; strong and controllable magnetism: controlling the magnet performance of the completely cured magnetic adhesive according to the proportion of the rare earth magnetic nano material to the bonding material; the corrosion resistance is good: the rare earth magnetic nano material is uniformly dispersed in the colloid, and the magnetic nano material effectively isolates the corrosion of water vapor; the product has the advantages of both the sealing glue and the magnet, and is a novel composite material.
Example 3
A nano magnetic sealant comprises a component A and a component B:
the component A comprises the following components in parts by weight:
the component B comprises the following components in parts by weight:
50 portions of phenolic aldehyde amide
3 parts of an adhesion promoter.
Wherein the epoxy resin is E44 type epoxy resin.
Wherein the magnetic nano material is a mixture of nano ferroferric oxide and nano samarium oxide. Wherein the phenolic amide is a polyamide.
Example 4
A nano magnetic sealant comprises a component A and a component B:
the component A comprises the following components in parts by weight:
the component B comprises the following components in parts by weight:
74 portions of phenolic aldehyde amide
3 parts of an adhesion promoter.
Wherein the epoxy resin is F48 type epoxy resin.
Wherein the magnetic nano material is nano cobalt oxide.
Wherein the phenolic amide.
In order to verify the excellent effect of the invention, the comprehensive experimental performances of comparative example 1, comparative example 2 and example 2/3/4 are selected for comparison, wherein: comparative example 1: common sealant; comparative example 2: iron oxide magnet;
the following table is obtained:
as can be seen from the table, the present invention has excellent properties, such as temperature of use, maximum magnetic energy product (BH) kJ/m 3 The performances of adhesion MPa, salt fog resistance and the like are all improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A nanometer magnetic sealant is characterized in that: comprises a component A and a component B:
the component A comprises the following components in parts by weight:
the component B comprises the following components in parts by weight:
20 to 100 portions of phenolic aldehyde amide
1-5 parts of adhesion promoter.
2. The nano magnetic sealant as claimed in claim 1, wherein: the epoxy resin is one or more of E51 type epoxy resin, E44 type epoxy resin and F48 type epoxy resin.
3. The nano magnetic sealant according to claim 1, which is characterized in that: the magnetic nano material is one or more of nano ferroferric oxide, nano samarium oxide, nano cobalt oxide, nano neodymium oxide, nano gadolinium oxide and nano dysprosium oxide.
4. The nano magnetic sealant as claimed in claim 1, wherein: the phenolic amide is one or more of phenolic amine, polyamide and phenolic amide.
5. The nano magnetic sealant as claimed in claim 1, wherein: the defoaming agent is one or more of alcohols, fatty acids, fatty acid esters, phosphate esters, mineral oils, amides, polydimethylsiloxane monomers and copolymers; the coupling agent is one or more of silane coupling agent, titanate coupling agent, zirconate coupling agent, aluminate coupling agent, bimetallic coupling agent, rare earth coupling agent, phosphorus-containing coupling agent and boron-containing coupling agent; the antioxidant is one or more of free radical absorbent, metal ion chelating agent, oxygen scavenger, singlet oxygen quencher, hydroperoxide decomposer, ultraviolet absorbent and enzyme antioxidant; the adhesion promoter is one or more of titanate aminopropyl silane compound and phosphate compound.
6. A preparation method of a nano magnetic sealant is characterized by comprising the following steps: the method comprises the following steps:
step1, preparation of a component A: and sequentially adding the epoxy resin, the defoaming agent and the coupling agent into the reaction kettle, and uniformly mixing by using high-shear equipment. Slowly adding magnetic material powder and an antioxidant, stirring at a slow speed, keeping the temperature in the reaction kettle not to exceed 50 ℃, and stirring the product for half an hour, and then carrying out vacuum defoaming to obtain a component A;
preparing Step2 and B components: adding phenolic aldehyde amide and an adhesion promoter into the reaction kettle, stirring at a low speed, and performing vacuum defoamation on the product after stirring for half an hour to obtain a component B;
step3, packaging: and respectively packaging the component A and the component B to obtain the nano magnetic sealant.
7. The application method of the nano magnetic sealant is characterized by comprising the following steps: the method specifically comprises the following steps: the component A and the component B are mixed and used according to the weight ratio of 2:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211395526.5A CN115746764A (en) | 2022-11-09 | 2022-11-09 | Nano magnetic sealant and preparation method and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211395526.5A CN115746764A (en) | 2022-11-09 | 2022-11-09 | Nano magnetic sealant and preparation method and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115746764A true CN115746764A (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211395526.5A Pending CN115746764A (en) | 2022-11-09 | 2022-11-09 | Nano magnetic sealant and preparation method and use method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN115746764A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102942886A (en) * | 2012-11-16 | 2013-02-27 | 明尼苏达矿业制造特殊材料（上海）有限公司 | Magneto-conductivity gluewater and application thereof |
| CN106433537A (en) * | 2016-09-22 | 2017-02-22 | 佛山市桐立建材科技有限公司 | Modified epoxy adhesive and preparing method thereof |
-
2022
- 2022-11-09 CN CN202211395526.5A patent/CN115746764A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102942886A (en) * | 2012-11-16 | 2013-02-27 | 明尼苏达矿业制造特殊材料（上海）有限公司 | Magneto-conductivity gluewater and application thereof |
| CN106433537A (en) * | 2016-09-22 | 2017-02-22 | 佛山市桐立建材科技有限公司 | Modified epoxy adhesive and preparing method thereof |
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